Sorenson, S. (1999). The research paper: A contemporary approach. Amsco School Publications.
芝加哥风格引文Sorenson, Sharon. The Research Paper: A Contemporary Approach. New York: Amsco School Publications, 1999.
MLA引文Sorenson, Sharon. The Research Paper: A Contemporary Approach. Amsco School Publications, 1999.
警告：这些引文格式不一定是100％准确.